Class attributes, Instances, Instance attributes – Rockwell Automation 1440-VDRP06-00RH XM-160/161/162 Direct Vibration Module User Manual

Page 125: Class attributes instances instance attributes, Class attributes instances

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Publication GMSI10-UM025C-EN-P - August 2010

DeviceNet Objects 117

Class Attributes

Instances

There are 6 instances of this object

Instance Attributes

Table C.32 Overall Object Class Attributes

Attr ID

Access
Rule

Name Data

Type

Description

Semantics

100

Get/Set

Measurement

WORD

The measurement (or
calculation) performed to
produce the Overall
Value
.

0 = RMS
1 = RMS peak
2 = RMS pk-to-pk
3 = peak
4 = peak-to-peak
5 = 255 reserved

Table C.33 Overall Measurement Object Class Attributes

Attr ID

Access
Rule

Name Data

Type

Description

Semantics

3

Get

Overall Value

REAL

Measured value

The output value of the
measurement performed by
Overall Measurement Object on
the input signal. The result of
the measurement process
specified by Measurement is
converted to the units specified
by Data Units to produce the
Overall Value.

4

Get

Status

BOOL

Indicates if a fault or
alarm has occurred.

0 = Operating without alarms or
faults.
1 = Alarm of fault condition
exists. The Overall Value
attribute may not represent the
actual field value.

5

Get

Data Units

ENGUNIT

The units context of the
Overall Value attribute.

This setting is determined by the
Channel Object’s Output Data
Units
attribute (see page 114).

7

Get/Set

Time Constant

REAL

The detection time
constant associated with
the output smoothing
filter (for the RMS and DC
meters), or the decay rate
of the peak meters.

Must be greater than zero.

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